If poor Mrs. Cooper were to find out what Master Dick has been doing on these supposed fishing trips of yours...
9 seconds sound clip from Batman (1966) - Hi Diddle Riddle (S1E1) TV Series.
You can hear this line at 00:13:07 in the Blu-ray version of the movie.
Quote context
[...]
- It's not the money, Alfred. It's the idea of it.
- My identity revealed. My value as a secret crime-fighter ended.
- Everything I've trained myself for since my parents were murdered in the ashcan. Gone.
- Well, sir, I do hope something can be worked out.
- Listen, Bruce. I have an idea.
- Yes.
- Remember what the Riddler said when he slipped you this paper?
- When you chewed over this one, look for two others.
[...]